a wild or only partially tamed horse or pony of the W U.S. plains
Origin of broncoMexican Spanish ; from Sp, rough ; from Vulgar Latin an unverified form bruncus, a block
An untrained or partially trained horse or pony of western North America.
Origin of broncoAmerican Spanish, from Spanish, wild, perhaps from Vulgar Latin *bruncus, knot in a tree, perhaps from Latin broccus, projecting (influenced by truncus, stump).
- A horse of western North America that is wild or not fully broken.
From Spanish bronco (“rough”).